Color

#8ca3ba

#8ca3ba
hex#8ca3ba
rgbrgb(140, 163, 186)
hslhsl(210, 25%, 64%)
oklchoklch(0.706 0.043 248.4)
Closest name: Pewter (#8ba8b7)Relative luminance 0.3532

Colors that go with #8ca3ba

Charcoal, Peru and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #8ca3ba

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#baa38c

#8cbaba · #8c8cba

#ba8ca3 · #a3ba8c

Split-complementary

Open in tool →

#ba8c8c · #baba8c

#ba8cba · #baa38c · #8cba8c

Contrast

#8ca3ba as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #5a7896 as the text (4.6:1)
  • AAA: use #435970 as the text (7.24:1)
  • AA: or shift the background to #383838 (4.5:1)
  • AAA: or shift the background to #141414 (7.07:1)
Aaon black
8.06:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8ca3ba as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #8ca3ba
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #8ca3ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8ca3ba-9cabc4-df514e-1f202d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md